... , customer music welcome 5. welcome order music chip with aa battery 1, Time: 6s/10s/12s/15s/20s ... , Light motion, Vibration activated, Magnetic switch4, Battery: 2-4pcs AG10 or AG13 button battry or dry ... battery,5, Other fuctions: support LED light, 6. ... Components: Voice IC, PCB Boad, Speaker, battery, 7, Welcome OEM and ODM service 8, Cerfificate: CE ...